CVE-2023-36356 Explained : Impact and Mitigation
Learn about CVE-2023-36356, a critical buffer read out-of-bounds vulnerability in TP-Link TL-WR routers allowing attackers to execute DoS attacks. Follow mitigation steps to secure your network.
A buffer read out-of-bounds vulnerability was discovered in TP-Link TL-WR940N, TL-WR841N, TL-WR941ND, and TL-WR740N routers, allowing attackers to execute a Denial of Service (DoS) attack.
Understanding CVE-2023-36356
This section provides insights into the impact, technical details, and mitigation strategies for CVE-2023-36356.
What is CVE-2023-36356?
CVE-2023-36356 is a security vulnerability found in TP-Link routers that can be exploited by attackers to disrupt the device's operation using a carefully crafted GET request.
The Impact of CVE-2023-36356
The vulnerability poses a significant risk as it enables threat actors to cause a Denial of Service (DoS) condition on the affected routers, leading to service disruption for legitimate users.
Technical Details of CVE-2023-36356
Explore the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from a buffer read out-of-bounds issue in the component /userRpm/VirtualServerRpm on TP-Link routers, allowing attackers to manipulate memory and disrupt the device's normal operation.
Affected Systems and Versions
TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8, TL-WR941ND V5, and TL-WR740N V1/V2 routers are confirmed to be impacted by CVE-2023-36356, highlighting the widespread reach of this security flaw.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a malicious GET request to the vulnerable component /userRpm/VirtualServerRpm, triggering the buffer read out-of-bounds and initiating a Denial of Service (DoS) attack.
Mitigation and Prevention
Discover the essential steps to safeguard your systems against CVE-2023-36356 and prevent potential security breaches.
Immediate Steps to Take
Users are advised to apply security patches released by TP-Link promptly to address the vulnerability and prevent exploitation by malicious actors.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security audits can enhance overall network resilience and reduce the likelihood of successful cyber attacks.
Patching and Updates
Stay informed about security advisories from TP-Link and other trusted sources to stay updated on the latest patches and security enhancements.